Left atrioventricular orifice
The left atrioventricular orifice (left atrioventricular opening or mitral orifice) is placed below and to the left of the aortic orifice.
| Left atrioventricular orifice | |
|---|---|
| Details | |
| Identifiers | |
| Latin | ostium atrioventriculare sinistrum |
| TA | A12.1.04.002 |
| FMA | 9335 |
| Anatomical terminology | |
It is a little smaller than the corresponding aperture of the opposite side.
It is surrounded by a dense fibrous ring, covered by the lining membrane of the heart, and is reguarded as the bicuspid or mitral valve.
References
This article incorporates text in the public domain from page 533 of the 20th edition of Gray's Anatomy (1918)
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